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#if !DNXCORE50
#region License
// The PostgreSQL License
//
// Copyright (C) 2015 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
namespace TlsClientStream
{
internal class CipherSuiteInfo
{
public CipherSuite Id;
public KeyExchange KeyExchange;
public int AesKeyLen;
public TLSHashAlgorithm HashAlgorithm;
public PRFAlgorithm PRFAlgorithm;
public AesMode AesMode;
public CipherSuiteInfo()
{
PRFAlgorithm = PRFAlgorithm.TLSPrfSHA256;
AesMode = AesMode.CBC;
}
public int MACLen
{
get
{
return Utils.GetHashLen(HashAlgorithm);
}
}
public HMAC CreateHMAC(byte[] key)
{
switch (HashAlgorithm)
{
case TLSHashAlgorithm.SHA1:
return new HMACSHA1(key);
case TLSHashAlgorithm.SHA256:
return new HMACSHA256(key);
case TLSHashAlgorithm.SHA384:
return new HMACSHA384(key);
case TLSHashAlgorithm.SHA512:
return new HMACSHA512(key);
default:
throw new NotSupportedException();
}
}
public HMAC CreatePrfHMAC(byte[] key)
{
switch (PRFAlgorithm)
{
case PRFAlgorithm.TLSPrfSHA256:
return new HMACSHA256(key);
case PRFAlgorithm.TLSPrfSHA384:
return new HMACSHA384(key);
default:
throw new NotSupportedException();
}
}
public SignatureAlgorithm GetSignatureAlgorithm()
{
switch (KeyExchange)
{
case KeyExchange.DHE_DSS:
return SignatureAlgorithm.DSA;
case KeyExchange.DHE_RSA:
case KeyExchange.ECDH_RSA:
case KeyExchange.ECDHE_RSA:
return SignatureAlgorithm.RSA;
case KeyExchange.ECDH_ECDSA:
case KeyExchange.ECDHE_ECDSA:
return SignatureAlgorithm.ECDSA;
case KeyExchange.RSA:
default:
throw new NotSupportedException();
}
}
public bool IsAllowedBefore1_2 { get { return AesMode == AesMode.CBC && (ushort)Id < 0xC023; } }
public static readonly CipherSuiteInfo[] Supported = new CipherSuiteInfo[] {
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, AesMode = AesMode.GCM }
};
}
}
#endif